Canvas Control

Click + DragPan canvas view
Mouse WheelZoom view in/out
Shift + Click (background)Start resizing canvas area
Shift + Ctrl + ClickStart moving entire canvas
Shift + S + Left ClickDraw custom shape for output area
Single Click (background)Deselect all layers
EscClose fullscreen editor mode

Clipboard & I/O

Ctrl + CCopy selected layer(s)
Ctrl + VPaste from clipboard (image or internal layers)
Drag & Drop Image FileAdd image as a new layer

Layer Interaction

Click + DragMove selected layer(s)
Ctrl + ClickAdd/Remove layer from selection
Alt + DragClone selected layer(s)
Right ClickShow blend mode & opacity menu
Mouse WheelScale layer (snaps to grid)
Ctrl + Mouse WheelFine-scale layer
Shift + Mouse WheelRotate layer by 5° steps
Shift + Ctrl + Mouse WheelSnap rotation to 5° increments
Arrow KeysNudge layer by 1px
Shift + Arrow KeysNudge layer by 10px
[ or ]Rotate by 1°
Shift + [ or ]Rotate by 10°
DeleteDelete selected layer(s)

Transform Handles (on selected layer)

Drag Corner/SideResize layer
Drag Rotation HandleRotate layer
Hold ShiftKeep aspect ratio / Snap rotation to 15°
Hold CtrlSnap to grid